Textile Coloration and Finishing (한국염색가공학회지)

The Korean Society of Dyers and Finishers (한국염색가공학회)
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A Study on PET Adsorption Property of NIR Dye Using Swelling Agents

Swelling agent를 이용한 근적외선 흡수 유기색소의 polyester 흡착

  • Kwon, Su Hyeon (Department of Textile System Engineering, Kyungpook National University) ;
  • Choi, Jae Hong (Department of Textile System Engineering, Kyungpook National University)
  • 권수현 (경북대학교 섬유시스템공학과) ;
  • 최재홍 (경북대학교 섬유시스템공학과)
  • Received : 2018.02.12
  • Accepted : 2018.03.23
  • Published : 2018.03.27
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Abstract

The near infrared ray camouflage fabric has a near infrared ray reluctance similar to the surrounding environment and has a camouflage effect on the surrounding environment. Synthetic fibers used in military uniforms are difficult to have gastrointestinal function as general commercial dyes, unlike cellulose fibers, which use some commercial vat dyes to impart infrared gastrointestinal function. In this study, we optimized the adsorption pH, temperature and time for NIR dye application for polyester fabrics, and established the optimum concentration for the evaluation of adsorption build-up characteristics. In addition, it is difficult to adsorb it since the polyester material has a dense crystal structure and the NIR dye is bulky. Therefore, a swelling agent used for dyeing meta-aramid fibers with high Tg and high crystallinity was introduced as a separate preparation to increase the affinity to polyester, which is a hydrophobic fiber, to thereby obtain an excellent adsorption rate. As a result of comparing before and after using swelling agent, the adsorption rate difference was 10 times or more when compared with before.

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